Compaq Presario F500 Monitor Problem

\015 I've been using my laptop for almost 2 years now and I'm having problems with my monitor. There are times where I turn it on and the monitor displays nothing, just blackscreen, so what I do is just turn it off by pressing the power button long enough til the power turns off then i turn it on again. I do this for more than five times or so until its turned on properly.\015\012So, I asked a friend some advice and he told me that my laptop needs to be reformatted, so I let him reformat mylaptop. But the worst happened. Now, even if I try to turn on my laptop for how many times, it doesn't work anymore. No display. \015\012I don't know what to do. I tried to ask a repair shop to check it and the technician told me that i need to get a new motherboard. But, again, someone told me that laptop's motherboard doesn't get broken. What do you think?\015\012What should I do?\015

Answers :

You need to determine whether the fault is the video/motherboard or the LCD screen on your laptop. \015\012\015\012You could have a defective screen - a defective inverter or a CCFL lamp.To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

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Screen flashs on red/pink and off. \015\012

Picture stays on in red and slowly be come normal. \015\012

Picture flickering with dim display. \015\012

Picture flickering on and off.

All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.Check out www.lcdparts.net for parts, repair service and DIY info.

Go to hp limited service enhancement to determine whether your computer is eligible for a free repair.If your product number is listed hp should repair and return your notebook within 10-14 days for free.

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